Amazon.com : Blue Summit Supplies 500#6 3/4 Remittance Envelopes with Gummed Seal for Donations, Checks or Cash, 6 1/2” x 3 5/8”, Blank White Remit Envelopes, Perfect for Church or Nonprofit Use, 500 Count : Office Products
White Remittance Envelopes (3 5/8 x 6 1/2) - Booklet Style at Jampaper.com | JAM Paper
6-3/4 Remittance (Style A) - Sheppard Envelope
NetBankStore.com: #6-3/4 Remittance Envelope with Perforation IMPRINTED (3-5/8 x 6-1/2)
NetBankStore.com: Campaign Envelopes for Donations Remittance Envelopes #6-3 /4